Why are deserts dry?
When you purchase through links on our situation , we may take in an affiliate commissioning . Here ’s how it work . Deserts can take many form — admit wholesale sand dunes , jumpy canyons , sagebrush steppes and polar ice domain . But they ’re unify by one thing : a lack of rainfall . broadly speaking speaking , anywhere that get under one’s skin less than 10 inches ( 25 centimeters ) of pelting a year counts as a desert , saidLynn Fenstermaker , an ecologist at the Desert Research Institute in Reno , Nevada ....